نتایج جستجو برای: phylogenetic typing groups
تعداد نتایج: 804048 فیلتر نتایج به سال:
Multi isolate whole genome sequencing (WGS) and typing for outbreak investigations has become a reality in the post-genomics era. We applied this technology to strains from Escherichia coli O157:H7 outbreaks. These include isolates from seven North America outbreaks, as well as multiple isolates from the same patient and from different infected individuals in the same household. Customized high...
Typing of hepatitis C virus (HCV) isolates from Argentine patients was performed by using different methodologies in a population of 243 patients. HCV subtype was assigned based upon restriction fragment length polymorphism (RFLP). HCV RNA genomes obtained from serum samples were classified as belonging to clade 1 (53.5%), 2 (23. 0%), or 3 (8.6%); 14.8% of samples showed HCV mixed infections, m...
Cowpea is an important crop for small-scale farmers in poor areas but also being developed commercial agriculture as a possible substitute legumes. Endophytic fungi are omnipresent and play crucial diverse roles plants. This study characterized the endophyte component of cowpea mycobiome from leaves, main crown stems roots using Illumina MiSeq ITS2 region ribosomal operon. Ascomycetes exhibited...
Protozoan parasites of the Leishmania donovani complex (L. donovani, L. infantum/L. chagasi) are causative agents of visceral leishmaniasis. To understand phylogeny and taxonomy within this group better we have developed 2 new polymerase chain reaction-linked restriction fragment length polymorphism (PCR-RFLP) analyses of the major surface protease (msp or gp63) intergenic (ITG) regions. We hav...
BACKGROUND Single-nucleotide polymorphism (SNP) analysis is a powerful strategy for large-scale molecular population studies examining phylogenetic relationships among bacterial strains. Mycobacterial interspersed repetitive units-variable number of tandem repeats (MIRU-VNTR) can be easily digitized to share data among laboratories. This study applied SNP and MIRU-VNTR analyses for molecular st...
A characterization of the drug resistance profiles, identification of PCR-based replicon typing, and multilocus sequence typing (MLST) and analysis of 46 ESBL-producing Escherichia coli from cows with mastitis are described. All multidrug-resistant isolates of various phylogenetic groups (A = 31, B1= 3, B2 = 2, D = 10) were ESBL-producers of genotypes CTX-M-15 (29), CTX-M-55 (4), CTX-M-14 (4), ...
Ureaplasma spp. have gained increasing recognition as pathogens in both adult and neonatal patients with multiple clinical presentations. However, the clonality of this organism in the male population and infertile couples in China is largely unknown. In this study, 96 (53 U. parvum and 43 U. urealyticum) of 103 Ureaplasma spp. strains recovered from genital specimens from male patients and 15 ...
As a leading cause of bacterial dysentery, Shigella represents a significant threat to public health and food safety. Related, but often overlooked, enteroinvasive Escherichia coli (EIEC) can also cause dysentery. Current typing methods have limited ability to identify and differentiate between these pathogens despite the need for rapid and accurate identification of pathogens for clinical trea...
1994;32:803–10. 8. Roux V, Raoult D. Phylogenetic analysis of members of the genus Rickettsia using the gene encoding the outer membrane protein rOmpB (ompB). Int J Syst Evol Microbiol. 2000;50:1449–55. http://dx.doi.org/10.1099/00207713-50-4-1449 9. Karpathy SE, Dasch GA, Eremeeva ME. Molecular typing of isolates of Rickettsia rickettsii by use of DNA sequencing of variable intergenic regions....
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